ELASTOSIL® E209 is a one-component silicone rubber with low viscosity, which cures due to the influence of atmospheric-humidity at room temperature.


  •  low viscosity
  •  flowable

Specific features of ELASTOSIL® E209

  • Acetoxy-cure
  • Primerless adhesion to most substrates


All the information provided is in accordance with the present state of our knowledge. Nonetheless, we disclaim any warranty or liability whatsoever and reserve the right, at any time, to effect technical alterations. The information provided, as well as the product's fitness for an intended application, should be checked by the buyer in preliminary trials. Contractual terms and conditions always take precedence. This disclaimer of warranty and liability also applies particularly in foreign countries with respect to third parties' rights.

ELASTOSIL® E209 shows good primerless adhesion to many substrates. We recommend running preliminary tests to optimize conditions for the particular application.


Minimum temperature allowed during storage and transportation: 0 °C.


The 'Best use before end' date of each batch is shown on the product label.

Storage beyond the date specified on the label does not necessarily mean that the product is no longer usable. In this case however, the properties required for the intended use must be checked for quality assurance reasons.

Sales and support

Wacker Chemical Corporation
3301 Sutton Road
Adrian, MI 49221-9397
United States
+1  888  922-5374 (Phone)

How can we help you?

  • Do you need help in choosing a product or do you require technical support? If so, please contact our experts.
Ask a question

Would you like a product sample?

You can request a product sample here.

Request sample

More products

Products Technical data
Density Hardness Shore A Viscosity, dynamic
ELASTOSIL® E209 1.05 g/cm³[1] 8.763 lb/gal[1] 30[3] 30[3] approx. 25000 mPa·s[2] approx. 25000 mPa·s[2]
[1] Density | 23 °C | DIN EN ISO 1183-1 A,  [2] Viscosity, dynamic (spindle 5, 10 RPM) | 23 °C | Brookfield,  [3] Hardness Shore A | ISO 7619-1 


My media

My favorites

My products